Sterba, J. P. (2001). Three challenges to ethics: Environmentalism, feminism, and multiculturalism. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSterba, James P. Three Challenges to Ethics: Environmentalism, Feminism, and Multiculturalism. New York: Oxford University Press, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSterba, James P. Three Challenges to Ethics: Environmentalism, Feminism, and Multiculturalism. Oxford University Press, 2001.
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